https://www.selleckchem.com/pr....oducts/ne-52-qq57.ht
The aim of the present study was to investigate the validity (both concurrent and diagnostic) and test-retest reliability of Acoustic Voice Quality Index (AVQI) version 2 (AVQI 02.06) in Turkish speaking population. Two hundred and fifty five native Turkish subjects with normal voices (n=128) and with voice disorders (n=127) were asked to sustain the vowel [a] and read aloud the Turkish phonetically balanced text. To determine the test-retest reliability of AVQI, 20 dysphonic (ie, around 15% of the group), and 20 normophonic (ie, aro